Some online advertising experts believe there is no definitive way to count impressions because a number can be skewed by a single person registering the same ad across several page views, for example.
A few things can skew impression counts. First, it’s estimated that about 60% of all web traffic comes from bots. Impression counts don’t bolivia phone number library differentiate between a human or a bot viewing an ad. Ads may also fail to load, or the wrong ad may load. These types of errors may or may not be accounted for.
Key Takeaways
Cost Per Mille (CPM) refers to the cost an advertiser pays per thousand ad impressions on a web page.
Impressions are a metric that counts the number of ad views or viewer interactions an ad receives.
CPM is one of several methods used to price online ads; other methods include Cost Per Click (CPC) and Cost Per Acquisition (CPA).
CPM vs. CPC vs. EBM
CPC : Cost Per Click
CPC stands for Cost Per Click and is a method that websites can use to determine how many times an advertiser clicks on their ad on average. CPC is also a widely used metric that advertisers include to manage their campaign budgets and performance.
So, let's say your ad gets 2 clicks, one for $0.80 and one for $0.20, that's a total of $1.00.
You would divide your $1.00 by 2 (your total number of clicks) to get an average CPC of $0.50.